Cassidy in in Airlock preparing for EVA

ISS036-E-014659 (3 July 2013) --- NASA astronaut Chris Cassidy, Expedition 36 flight engineer, attired in his Extravehicular Mobility Unit (EMU) spacesuit, participates in a ?dry run? in the International Space Station?s Quest airlock in preparation for the first of two sessions of extravehicular (EVA) scheduled for July 9 and July 16.